Pocket Watch Database
Patent Archive
#417501
Patent Information
Recorder Watch Man Electric
Henry L. Norton
Frederick W. Cock
December 17, 1889
Patent #417501
| Patent Number: | 417501 |
| Description: | Recorder Watch Man Electric |
| Inventor(s): |
Henry L. Norton Frederick W. Cock |
| Patent Date: | Dec 17, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
